The Wharton School

Robert G. Putzel Professor at The Wharton School

School of International and Public Affairs

Adjunct Senior Research Scholar in the Arnold A. Saltzman Institute of War and Peace Studies at School of International and Public Affairs

Bloomington School of Public and Environmental Affairs

Associate ProfessorChair, Policy Analysis and Public FinanceManaging Editor, Journal of Policy Analysis and Management at Bloomington School of Public and Environmental Affairs

CBS Executive

Head of Department, Professor MSO at CBS Executive

DePaul University

Professor and Driehaus Fellow Department of Economics at DePaul University

Harvard Medical School

Professor of Medicine, Harvard Medical School; Division of Gastroenterology, Hepatology and Endoscopy, Department of Medicine, Brigham and Women's Hospital at Harvard Medical School

Yale School of Management

James Rowland Angell Professor of Psychology at Yale School of Management

INSEAD Business School

Emeritus Professor of Marketing. The Claude Janssen Chaired Professor of Business Administration, Emeritus at INSEAD Business School

University of California, Davis

Professor Emeritus at University of California, Davis

Woodrow Wilson School of Public and International Affairs

Bendheim Professor of Economics and Public Policy; Director, Survey Research Center (SRC) at Woodrow Wilson School of Public and International Affairs